143205401 has 8 divisors (see below), whose sum is σ = 144698400. Its totient is φ = 141718720.

The previous prime is 143205397. The next prime is 143205409. The reversal of 143205401 is 104502341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143205401 - 2² = 143205397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143205409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53585 + ... + 56193.

It is an arithmetic number, because the mean of its divisors is an integer number (18087300).

Almost surely, 2^143205401 is an apocalyptic number.

It is an amenable number.

143205401 is a deficient number, since it is larger than the sum of its proper divisors (1492999).

143205401 is a wasteful number, since it uses less digits than its factorization.

143205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 143205401 is about 11966.8459085926. The cubic root of 143205401 is about 523.1824081895.

Adding to 143205401 its reverse (104502341), we get a palindrome (247707742).

The spelling of 143205401 in words is "one hundred forty-three million, two hundred five thousand, four hundred one".